360° views of the city plus five floors of optical illusions and hands-on science.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

A hands-off space for graffiti artists to hone and display their skills.

An unusual round church in London with a Templar past.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Famously misunderstood wonder of the ancient world

Hidden beneath the streets of London is a secret subway that only carried mail.